RADIO SETS SCR-522 AND SCR-542 (FOR SCR-528, SEE SCR-510)
Use. - Ground-air liaison. Frequency range. - 100 to 156 megacycles. Power output. - 6 watts. Emission. - A3 and special tone signal when used with contactor equipment RC-96. Description. - Radio sets SCR-522 and SCR-542 are intended for use in aircraft and will provide two-way radio-telephone communication between aircraft in flight and between aircraft and ground stations. Operation may take place on any one of four crystal-controlled channels lying within the frequency range of 100 to 156 megacycles. Remote control only is provided. Radio set SCR-522 operates from a 28-volt source and uses dynamotor PE-94-A ; radio set SCR-542 operates from a 14-volt source and uses dynamotor PE-98- A. Radio sets SCR-522 and SCR-542 differ only in the primary power supply voltage and the dynamotor unit used. Tube complement: Receiver:
Transmitter:
Frequency control. - Crystal (four pre-set channels in the receiver and four in the transmitter). Power supplies available:
Operating power:
Antenna. - A quarter-wave vertical mast. Weights, dimensions, and Army type numbers of principal equipment units Unit | Type No.| Dimensions | Volume | Weight | | Inches | Cubic | Pounds Case CS-80 containing:| | | | Feet Radio Transmitter | BC-625 | \ | | Radio Receiver | BC-624 | | 16 5/32 x 12 9/16 x 10 11/16 | | 49 Rack | FT-244 | / | | Dynamotor | PE-94-A | 12 25/32 x 8 27/32 x 6 15/64 | | 37 Dynamotor | PE-98-A | 12 25/32 x 8 27/32 x 6 15/64 | | 37 Radio Control box | BC-602 | 5 7/8 x 5 9/16 x 2 1/2 | | 2.4 Total weight | | | | 91 Total volume | | | 1.8 | REFERENCES:The information enclosed here is excerpted from:Catalogue of Naval Electronic Equipment-April 1946- NavShips 900,116.
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